Risk Factor

Peri-anal diseases group, n (%)

Healthy group, n (%)

Odds ratio (95% CI)

P-value

Age > 30 years

13 (13.3%)

85 (86.7%)

0.576

 0.285

Positive family history

21 (55.3%)

17 (44.7%)

1.665

 0.035

Macrosomia

17 (56.7%)

13 (43.3%)

1.070

 0.892

Vaginal delivery

 27 (24.3%)

84 (75.7%)

1.561

 0.128

Caesarean section

16 (20%)

 64 (80%)

1.484

 0.128

Past history of peri-anal diseases

31 (57.4%)

23 (42.6%)

1.258

 0.012

Second stage of labor > 50 mins

 29 (55.7%)

23 (44.3%)

1.361

 0.125